Wyniki wyszukiwania dla: MICROJET COOLING

• Structural optimization of microjet array cooling system

  Publikacja

  • T. Muszyński
  • D. Mikielewicz

  - APPLIED THERMAL ENGINEERING - Rok 2017

  The single phase heat transfer from an upward facing, horizontal copper surface to arrays of impinging water jets was experimentally investigated. Experimental configuration allows for a free-surface unconfined jets flow. Square nozzles 50 × 100 μm arranged in four different geometries were used. Additionally, for the set of two jets array geometry was varied by adjusting the nozzle to nozzle distance. The area averaged heat transfer...

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• Performance of a hybrid microjet – microchannel cooling module

  Publikacja

  • R. Andrzejczyk
  • T. Muszyński

  - Rok 2013

  The paper presents the experimental investigation of a microjet- microchannel cooling module. In which microjets of water are impinging into the microchannels and forming a liquid film on the impingement surface. Applied technology takes benefits from two very attractive heat removal techniques. When lminar jets are impinging on the surface have a very high kinetic energy at the stagnation point, also in microchannels boundary...

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• Comparison of heat transfer characteristics in surface cooling with boiling microjets of water, ethanol and HFE7100

  Publikacja

  • T. Muszyński
  • D. Mikielewicz

  - APPLIED THERMAL ENGINEERING - Rok 2016

  The basis of microjet technology is to produce jets which impinge the surface at the stagnation point with a very high kinetic energy. Main objective of this paper was to investigate the physical phenomena occurring on solid surfaces upon impingement of the single microjet in case of three fluids, namely water, ethanol and HFE7100. Intense heat transfer in the impact zone of microjet has been examined and described with precise...

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• COMPARISON OF HEAT TRANSFER CHARACTERISTICS IN SURFACE COOLING WITH BOILING MICROJETS OF WATER, ETHANOL AND HFE7100

  Publikacja

  • D. Mikielewicz
  • T. Muszyński

  - Rok 2014

  The basis of microjet technology is to produce laminar jets which when impinging the surface have a very high kinetic energy at the stagnation point. Boundary layer is not formed in those conditions, while the area of film cooling has a very high turbulence resulting from a very high heat transfer coefficient. Applied technology of jet production can result with the size of jets ranging from 20 to 500μm in breadth and 20 to 100μm...

• Experimental and theoretical investigation of microjet cooling in metalurgical applications

  Publikacja

  • D. Mikielewicz
  • J. Mikielewicz
  • M. Plata
  • T. Muszyński
  • J. Piwnik

  - Rok 2010

  W pracy zaprezentowano model wrzącej strugi uderzającej o powierzchnię i wytwarzającej cienki film cieczowy, w którym tworzą się pęcherzyki pary.

• Cooling of electronic equipment by means of jets and microjets

  Publikacja

  • D. Mikielewicz
  • J. Mikielewicz

  - Rok 2007

  W pracy przedstawiono rozwiązanie sprzężonej wymiany ciepła od uderzającej strugi cieczy oraz przewodzenia ciepła w łytce. Uzyskano proste zależności opisujące rozkład temperatur na płytce. Umożliwia to przeprowadzenie analizy wpływu różnych parametró na wymianę ciepła podczas chłodzenia urządzeń elektronicznych generujących ciepło.

• Heat transfer characteristics of hybrid microjet – Microchannel cooling module

  Publikacja

  • T. Muszyński
  • R. Andrzejczyk

  - APPLIED THERMAL ENGINEERING - Rok 2016

  The paper presents experimental investigation of heat transfer intensification in a microjet–microchannel cooling module. Applied technology takes benefits from two very attractive heat removal techniques. When jets are impinging on the surface, they have a very high kinetic energy at the stagnation point, also in microchannels boundary layer is very thin allowing to obtain very high heat fluxes. Main objective of this paper was...

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• Experimental and theoretical study of surface cooling using a single microjet

  Publikacja

  • D. Mikielewicz
  • T. Muszyński

  - Transactions of the Institute of Fluid-Flow Machinery - Rok 2010

  Przedstawiono wyniki badań eksperymentalnych intensyfikacji wymiany ciepła przy pomocy pojedynczych strug wody i powietrza.Uzyskana na podstawie wyników korelacja, opisująca współczynnik przejmowania ciepła, posłużyła do weryfikacji modelu opracowanego wcześniej przez Mikielewicza (2007).

• Heat transfer characteristics of hybrid microjet -microchannel cooling module

  Publikacja

  • T. Muszyński
  • R. Andrzejczyk

  - Rok 2014

  The paper presents the experimental investigation of heat transfer intensification in a microjet- microchannel cooling module. Applied technology takes benefits from two very attractive heat removal techniques. When jets are impinging on the surface, they have a very high kinetic energy at the stagnation point, also in microchannels boundary layer is very thin allowing to obtain very high heat fluxes. Main objective of this paper...

• Comparison of single microjet cooling with water, ethanol and HFE7100 as test fluids

  Publikacja

  • T. Muszyński

  - Rok 2013

  The paper presents the investigation of a single microjet cooling forming an thin liquid film on the impingement surface of specially designed rig. The basis of microjet technology is to produce laminar jets, which when impinging the surface have a very high kinetic energy at the stagnation point. Applied technology of jet production can result with the size of jets ranging from 20 to 500μm in breadth and 20 to 100μm in width....

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